2006-07-19 11:44:12 UTC
1. The British Isles - This is a purely geographical that term refers to the archipelago of Islands of the coast of Northern Europe. It is politically separated into three separate countries - The United Kingdom, the Republic of Ireland and the Isle of Man.
2. The UK - short for 'The United Kingdom of Great Britain and Northern Ireland'. The UK comprises of 4 'countries within a country', these are; England, Scotland, Wales and Northern Ireland. (Note, not all of the island of Ireland is part of the UK, only the northern part).